G01R 33/28
Details of apparatus provided for in groups g01r33/44 - g01r33/64
Official title: Details of apparatus provided for in groups G01R33/44 - G01R33/64
G01R33/28 (Details of apparatus provided for in groups g01r33/44 - g01r33/64) appears on 10,656 US grants and 9,941 published applications in this corpus.
Search patents in G01R- Granted patents
- 10,656
- Published applications
- 9,941
- Assignees
- 1,916
- Inventors
- 12,122
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 14 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 15 | 0 |
| 1982 | 15 | 0 |
| 1983 | 17 | 0 |
| 1984 | 25 | 0 |
| 1985 | 26 | 0 |
| 1986 | 67 | 0 |
| 1987 | 127 | 0 |
| 1988 | 131 | 0 |
| 1989 | 139 | 0 |
| 1990 | 100 | 0 |
| 1991 | 116 | 0 |
| 1992 | 120 | 0 |
| 1993 | 137 | 0 |
| 1994 | 186 | 0 |
| 1995 | 163 | 0 |
| 1996 | 183 | 0 |
| 1997 | 152 | 0 |
| 1998 | 129 | 0 |
| 1999 | 139 | 0 |
| 2000 | 161 | 0 |
| 2001 | 208 | 60 |
| 2002 | 205 | 230 |
| 2003 | 217 | 248 |
| 2004 | 261 | 244 |
| 2005 | 213 | 358 |
| 2006 | 241 | 313 |
| 2007 | 241 | 332 |
| 2008 | 242 | 421 |
| 2009 | 296 | 387 |
| 2010 | 271 | 411 |
| 2011 | 263 | 336 |
| 2012 | 271 | 388 |
| 2013 | 287 | 473 |
| 2014 | 322 | 458 |
| 2015 | 263 | 625 |
| 2016 | 308 | 460 |
| 2017 | 484 | 499 |
| 2018 | 499 | 488 |
| 2019 | 656 | 498 |
| 2020 | 570 | 482 |
| 2021 | 442 | 437 |
| 2022 | 435 | 411 |
| 2023 | 368 | 362 |
| 2024 | 326 | 401 |
| 2025 | 326 | 374 |
| 2026 | 249 | 245 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01R 33/32Excitation or detection systems5,076
- G01R 33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic4,270
- G01R 33/30Sample handling arrangements1,077
- G01R 33/42Screening918
- G01R 33/285Invasive instruments678
- G01R 33/288Provisions within mr facilities for enhancing safety during mr671
- G01R 33/283Intercom or optical viewing arrangements, structurally associated with nmr apparatus304
- G01R 33/282Means specially adapted for hyperpolarisation or for hyperpolarised contrast agents233
All 9 subgroupsShow fewer
Recent patents
- Single-polymer particles, active molecular complex, method for producing single-polymer particles, method for measuring tumor size, method for measuring fine structure within tumor, method for imaging biological tissue, drug delivery system, and contrast agent kit6 Oct 2026US 12,752,022 B2National Institutes for Quantum Science and Technology
- Magnetic trajectory prediction and position identification6 Oct 2026US 12,752,083 B2Bard Access Systems, Inc.
- Magnetic resonance imaging apparatus and operation method of magnetic resonance imaging apparatus6 Oct 2026US 12,754,262 B2FUJIFILM Corporation
- Cooling apparatus for a control unit of a magnetic resonance device6 Oct 2026US 12,754,263 B2Siemens Healthineers AG
- Birdcage resonator for high resolution NMR applications6 Oct 2026US 12,754,264 B2Quad Systems Corporation
- Device for microwave measurement of a dielectric discontinuity of a material8 Oct 2026US 2026/0305968 A1Ubt S.R.L
- Rotor Cap Removing Tools, Microwave Guides, and Methods8 Oct 2026US 2026/0309818 A1The Florida State University Research Foundation, Inc.
- Superconducting magnet apparatus and magnetic resonance imaging apparatus8 Oct 2026US 2026/0309819 A1Canon Medical Systems Corporation
- Method for Operating a Magnetic Resonance Device, Magnetic Resonance Device, Computer Program and Storage Medium8 Oct 2026US 2026/0309820 A1Siemens Healthineers AG
- Container for superconducting wire connection and superconducting magnet8 Oct 2026US 2026/0312307 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Device for seeking an area of interest within a body1,661US 5,188,111 ACatheter Research, Inc. · 1993
- MR-compatible devices806US 7,048,716 B1Stanford University · 2006
- Device construction and method facilitating magnetic resonance imaging of foreign objects in a body594US 4,989,608 A1991
- Magnetic resonance imaging method and apparatus for guiding invasive therapy553US 5,647,361 AFonar Corporation · 1997
- Polymeric stent suitable for imaging by MRI and fluoroscopy489US 6,585,755 B2Advanced Cardiovascular, Inc. · 2003